Neochloris oleoabundans oil production in an outdoor tubular photobioreactor at pilot scale

Niels Henrik Norsker*, Maria Cuaresma, Jeroen de Vree, Mari Carmen Ruiz-Domínguez, Maria Carmen Márquez García, Pauliina Uronen, Maria J. Barbosa, René Wijffels

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)


Oil production was tested with Neochloris oleoabundans in a 6 m3, horizontal soft sleeve tubular reactor from 22 October to 7 November in Matalascañas, southern Spain. Biomass productivity during the nitrogen replete phase was 7.4 g dw m−2 day−1. Maximum lipid content in the biomass was 39% and average lipid productivity during the nitrogen depletion phase was 2.0 g m−2 day−1. Nitrogen depletion of the cultures was carried out in order to enhance fatty acid formation, using the inverse nitrogen quota in the biomass to predict the fatty acid content. TFA concentration at harvest was 14% DW, compared to a value of 17%, predicted by the inverse nitrogen quota. The overall feasibility of the horizontal tubular technology for microalgal oil production, including mixing energy expenditure, was evaluated.

Original languageEnglish
Pages (from-to)1327–1339
JournalJournal of Applied Phycology
Publication statusPublished - Jun 2021


  • Fatty acids
  • Neochloris oleoabundans
  • Oil
  • Oil enhancement
  • Productivity


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